this post was submitted on 29 Nov 2023
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Programming
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There is a school of thought that break and continue are just goto in disguise. It helps that these two are more limited in scope than goto and can be considered less evil. If you read the book Clean Code by Robert Martin (it should be required reading for all developers), you’ll see that he doesn’t like functions to be very long. I think his rule is no more than 4 lines. I try to keep mine around 10 or less with a hard stop at 20 unless it can’t be avoided because I’m switching over a large enum or something. If you put your loops into functions then you can just use return instead of break.
I did have a discussion with a teacher once about my use of early returns. This was when I had returned to school after many years as a professional programmer. I pointed out that my code has far less indentation than theirs and was simpler because of it and that it is common in the world outside of education. I got all of my points back he has deducted.
You’re going to hear some good and bad advice from your teachers. Once you have a job check out what the good developers are doing and just follow them.
I wish people stopped praising a book that has been repeatedly debunked as dogmatic, outdated, nonsensical garbage.
No, do not bother with Clean Code. Been there thinking it was some bastion of truth that just went over my head. It's not. Fuck uncle bob.
I don't know your or his source, but warning me before I read it deserves a thank, so thanks for saving me time.
It’s a highly opinionated book but it is full of good advice that in my opinion goes too far. Using a metaphor here, I think he wanted to get people to the moon but knew that he needed to give guidance to get to mars because people would look at whatever he wrote and think it’s too much.
The book has several chapters discussing the SOLID design principles and showing how to apply them. You’ll be a better programmer for reading it. “Uncle Bob” the person can be a bit problematic so I don’t particularly like telling people to give him money. Try getting the book from the library or a second hand store. There are also videos out there of him speaking at conferences that may give a good taste of the material. He has a blog too.